427489008 has 40 divisors (see below), whose sum is σ = 1139974656. Its totient is φ = 137899200.

The previous prime is 427488989. The next prime is 427489019. The reversal of 427489008 is 800984724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142158 + ... + 145133.

Almost surely, 2^427489008 is an apocalyptic number.

427489008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

427489008 is an abundant number, since it is smaller than the sum of its proper divisors (712485648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427489008 is a wasteful number, since it uses less digits than its factorization.

427489008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287333 (or 287327 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 427489008 is about 20675.8073119286. The cubic root of 427489008 is about 753.3121707232.

The spelling of 427489008 in words is "four hundred twenty-seven million, four hundred eighty-nine thousand, eight".